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[論文] 생애주기가 주택소비에 미치는 영향에 관한 연구
정희수(Chung Hee Soo),권혁일(Kwon Hyuk Il) 한국주택학회 2004 주택연구 Vol.12 No.1
본 연구는 가족생애주기(family life cycle)가 주택소비형태에 미치는 영향을 실증분석 하는데 목적이 있다. 주택소비(종속변수)는 1)주택규모(전용면적, 방수), 주택가격 및 가구년소득대비 주택매매가격비율(price income ratio: PIR); 2)가구의 융자계획; 3)주택점유형태(tenure)선택 등 3개 군으로 구분했다. 가족생애주기는 가구주의 연령 및 소득으로 계량화했으며 생애주기의 순영향을 추정하기 위해 가구주의 직업, 학력 및 지역도 독립변수로 편입했다. 분석대상가구는 국민은행이 매년 실시하는 주택금융수요실태조사(2001)자료에 의한 것이며 추정방법은 주택점유형태선택의 경우 로짓(Logit)모형, 나머지종속변수의 경우 전통적 회귀분석기법을 적용했다. 추정결과는 다음과 같이 요약할 수 있다. 첫째, 주택규모(전용면적, 방수) 및 거주하고 있는 주택가격은 가구주 연령 및 소득과 매우 유의하고 비선형적 관계를 가지고 있다. 즉, 가구주 연령 및 소득이 높아짐에 따라 주택규모와 주택가격은 증가하지만 증가율은 둔화된다. 둘째, 현재주택규모대비 희망주택규모비율과 현재소득대비 희망소득비율 등은 가구주 연령과 소득이 높아질수록 축소된다. 즉, 가족이 형성기, 확대기에서 안정기로 전환함에 따라 우리나라 가구는 원하는 규모 및 가격의 주택을 확보할 수 있는 가능성이 커진다는 것이다. 셋째, 월융자상환부담율은 소득이 증가할수록 떨어지지만 가구주 연령이 50세가 될 때까지는 하락하다가 60세를 넘어서면 다시 증가한다. 넷째, 주택구입 확률은 가구주 연령 및 소득이 높아짐에 따라 커지지만 커지는 속도는 둔화된다. 이와 같이 우리나라 가구의 주택소비는 가족생애주기의 강한 영향을 받는다. 따라서 본 연구 자료는 정부의 주택정책수립, 주택건설업자의 건설계획 및 은행의 융자전략에 도움이 될 수 있다고 생각한다. This paper is designed to study the impact of family life cycle (FLC) on household's housing consumption. Family life cycle is represented by household head's age and income, while housing consumption includes floor areas, the number of rooms, the price of dwelling occupied by the household, monthly mortgage debt service ratio(DSR) and the probability of home ownership. In the model, the independent variables explaining housing consumption are, in addition to household head's age and income, household head's profession, education, tenure and region where he or she lives. The models for floor areas, the number of rooms, dwelling price and DSR are estimated by the ordinary least squares regression technique, whereas the model for the probability of home ownership is analyzed through the log it model. Data used are the results of survey on the demand for mortgage loans conducted by Kookmin Bank in 2001 covering more than 2000 households in major cities. The findings may be summarized as follows. First, floor areas, the number of rooms and the dwelling price increase steadily with household head's age and income but as decreasing rate. Second, the DSR decreases with household head's age and income up to the age of 50 years and then increases again. Third, the probability of home ownership also increases with household head's age and income but at decreasing rate. Fourth, such independent variables as household head's profession, education and region of residence exert some degree of impact on housing consumption but their impact is very limited. Fifth, as the household goes through changes from the stage of household formation, the stage of expansion to the stage of stability, the difference between the actual level of housing consumption and desired level of consumptions narrows down implying that in Korea one tends to attain the desired level of housing consumption during the course of the family life cycle. If there is any difference between FLC related housing consumption pattern (floor areas and number of rooms) in advanced countries and Korea, it is the fact that Korean household continues to increase the level of their housing consumption during their entire FLC, while, in advanced countries, the level of household's housing consumption falls as household's size decreases. The findings of this paper can be quite useful not only for the government's housing policy but also for house builder's construction planning and the bank's housing loans strategies.
정희수(Hee Soo Chung),조윤형(Yoon Hyung Cho) 한국경영학회 2003 經營學硏究 Vol.31 No.7
The purpose of this study is to investigate corporate governance which divided in system and operation part through trust mechanism. Trust mechanism models are consist of governance, stakeholder and corporate domains, Trust are conceptualized by two constructs: risk and interdependence. For the trust mechanism, we make four types trust typology: high risk - high interdependence(relational-based trust), high risk - low interdependence(transitional - based trust), low risk - high interdependence(balance - based trust) and low risk - low interdependence(calculus-based trust). We suggest that trust mechanism affect to corporate governance - system and operation part - to reduce corporate governance critical problems and in addition, trust mechanism are not static but dynamic process to desirable path to balance-based trust. system part role is to impact on decision making and operation part role is to reduce organizational control cost.
한국산 고등 군류의 성분 연구(16) : Ganoderma lucidum의 항암 성분
정희수(Hee-Soo Chung),김병각(Byong-Kak Kim) 한국생약학회 1980 생약학회지 Vol.11 No.1
To investigate antitumor components of Korean higher fungi, the carpophores of Ganoderma lucidum were collected in Gyeong-gi Province and extracted with 0.1 N-NaOH solution. The extract was purified by dialyzing through Visking tube and a polysaccharide fraction was obtained. The antitumor activity of the fraction was tested against sarcoma 180 implanted in mice. The tumor inhibition ratio of the polysaccharide fraction against the tumor was 87.6% in the doses of 50㎎/㎏/day for the period of ten days. The tumor in five of the 15 mice was completely regressed.